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Finding the Fourth Proportional to 431,140,836, 594,974,353.68 and 235,570,548

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Solution

The fourth proportional to 431,140,836, 594,974,353.68 and 235,570,548 is: 325,087,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,140,836 : 594,974,353.68 = 235,570,548 : x
  2. Step 2: Convert to fraction form
    431,140,836/594,974,353.68 = 235,570,548/x
  3. Step 3: Cross multiply
    431,140,836x = 594,974,353.68 × 235,570,548
  4. Step 4: Simplify right side
    431,140,836x = 140,158,434,542,343,408
  5. Step 5: Solve for x
    x = 140,158,434,542,343,408/431,140,836
  6. Step 6: Final answer
    x = 325,087,356.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.